Principal Software Engineer

Job description

Principal Software Engineer

Fully Remote | Permanent | Competitive Salary + Benefits

Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping the technical vision for a global, real-time payments platform.

Key responsibilities:

• Define and maintain the company’s technical and architectural direction.
• Provide leadership and mentorship across multiple engineering teams.
• Drive enterprise-level design decisions, ensuring scalability and resilience.
• Contribute directly to coding activities in support of key deliverables.
• Monitor emerging technologies, influencing long-term strategic decisions.

Benefits of the role:

• Fully remote working with flexible arrangements.
• Senior leadership role with influence over enterprise-wide architecture.
• Opportunity to balance hands-on coding with strategic direction.
• Work on complex, high-performance systems at global scale.
• Career progression in a fast-growing international technology business.

Key skills required:

• 10+ years’ experience in enterprise architecture and software engineering.
• Proven expertise in .NET with strong SaaS and API platform experience.
• Hands-on track record designing highly scalable, high-performance systems.
• Strong leadership, mentoring, and stakeholder management skills.

For any additional questions, please contact me via LinkedIn or through email - ollie.bluck@harringtonstarr.com.

If you feel this role is the right one for you, please apply below!

Extra information

Status

Open

Education Level

Secondary School

Location

United Kingdom

Type of Contract

Full-time jobs

Published at

25-01-2026

Profession type

Accountancy

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English